Mac screen saver as RSS reader

Looking for a best RSS feed news reader for mac without having to install any client ?  How about displaying the RSS feed as part of the mac screensaver

Select RSS Visualizer as the screen saver by going to

System Preferences > Desktop & Screen Saver > Screen Saver > RSS Visualizer

By default, this option displays Apple Hot News RSS feed. You can choose  to display any RSS feed.

Add your favorite RSS feed url by going to

System Preferences > Desktop & Screen Saver > Screen Saver > click the + sign > Add RSS Feed.

Or you can click options and provide feed url and click done